nullspace {{-1,-1,-2,-2,-1},{3,0,2,1,2},{0,1,1,1,0},{-1,-1,-2,-2,-1},{2,1,3,3,2}}

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.